What is the area of the Concorde triangular planform?
(Note: These are not the actual dimensions.)

area = _______________

What is the area of the Space Shuttle's compound planform?
(Note: These are not the actual dimensions.)

area = _______________

What is the area of the Boeing 747 trapezoidal planform?
(Note: The coordinates of the vertices are given in the
diagram. These are not the actual dimensions. Hint: Rotate
the figure 90o or integrate along the y-axis with the
equations of the lines solved for x as a function of y.)